3-Pyridinesulfonic acid, 6-(4-methyl-1-piperazinyl)- 38030-00-1 5-23-03-00138 (Beilstein Handbook Reference) 6-(4-Methyl-1-piperazinyl)-3-pyridinesulfonic acid Acide (methyl-4 piperazinyl-1)-2 pyridinesulfonique [French] BRN 0616553 LT 131